package com.lh.facade;


//剧院灯光
public class TheaterLight {
    private static TheaterLight instance = new TheaterLight();

    public static TheaterLight getInstance() {
        return instance;
    }

    public void on() {
        System.out.println(" TheaterLight on ");
    }

    public void off() {
        System.out.println(" TheaterLight off ");
    }

    //剧院灯光调暗
    public void dim() {
        System.out.println(" TheaterLight dim.. ");

    }

    //剧院灯光鲜艳
    public void bright() {
        System.out.println(" TheaterLight bright.. ");

    }
}